<script type="text/javascript">
	function changetext(type){
		if(type==7){
			$("#SupportNumber").css( {width:'100%', height:'80px'} );	
			$("#SupportNumber").parent().parent().find(".w120").html("自定义客服HTML代码");
		}else{
			$("#SupportNumber").css( {width:'270px', height:'15px'} );	
			$("#SupportNumber").parent().parent().find(".w120").html("客服号码");
		}
	}
		
	$(document).ready(function(){
		$("#SupportTypeID").change(function(e) {
			var type = $("#SupportTypeID").val();
			changetext(type);
		});
		changetext("{$SupportTypeID}");
	});
</script>